Revert "[ESan][MIPS] Adds support for MIPS64"

Summary:
This reverts commit 62b3eecdbe72af0255f0639b0446087a47efbf48. (D23799)

The CL cause 13 ESan test failure on x86_64:
Failing Tests (13):
    EfficiencySanitizer-x86_64 :: TestCases/large-stack-linux.c
    EfficiencySanitizer-x86_64 :: TestCases/libc-intercept.c
    EfficiencySanitizer-x86_64 :: TestCases/mmap-shadow-conflict.c
    EfficiencySanitizer-x86_64 :: TestCases/struct-simple.cpp
    EfficiencySanitizer-x86_64 :: TestCases/verbose-simple.c
    EfficiencySanitizer-x86_64 :: TestCases/workingset-early-fault.c
    EfficiencySanitizer-x86_64 :: TestCases/workingset-memset.cpp
    EfficiencySanitizer-x86_64 :: TestCases/workingset-midreport.cpp
    EfficiencySanitizer-x86_64 :: TestCases/workingset-samples.cpp
    EfficiencySanitizer-x86_64 :: TestCases/workingset-signal-posix.cpp
    EfficiencySanitizer-x86_64 :: TestCases/workingset-simple.cpp
    EfficiencySanitizer-x86_64 :: Unit/circular_buffer.cpp
    EfficiencySanitizer-x86_64 :: Unit/hashtable.cpp

  Unexpected Failures: 13

Reviewers: bruening, slthakur

Subscribers: sdardis, kubabrecka, beanz

Differential Revision: https://reviews.llvm.org/D24350

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@280954 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 8 deletions

diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
index 8c429fdf2..14bc75046 100644
--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -617,21 +617,13 @@ namespace __sanitizer {
 
   // Linux system headers define the 'sa_handler' and 'sa_sigaction' macros.
   struct __sanitizer_kernel_sigaction_t {
-#if SANITIZER_MIPS
-    unsigned long sa_flags;
-#endif
     union {
       void (*handler)(int signo);
       void (*sigaction)(int signo, void *info, void *ctx);
     };
-#if !SANITIZER_MIPS
     unsigned long sa_flags;
     void (*sa_restorer)(void);
-#endif
     __sanitizer_kernel_sigset_t sa_mask;
-#if SANITIZER_MIPS
-    void (*sa_restorer)(void);
-#endif
   };
 
   extern uptr sig_ign;